What is better - Yamaha RX-V677 vs Denon AVR-S720W?
AV receivers under review have the same number of channels. In terms of power, there are differences, the RX-V677 has such a ratio W/Ohm - 90/8, 150/4, while the AVR-S720W has a power of 75/8, 110/6. The value of total harmonic distortion is also different, and for the RX-V677 it is 0.09%, but for the AVR-S720W it is 0.08%.
The manufacturer installed different DACs, the RX-V677 received the model Burr-Brown 192 KHz/24-bit, but the AVR-S720W is equipped with 192 KHz/32-bit. The Bi-amping function is implemented only in the Yamaha RX-V677. Both Yamaha RX-V677 and Denon AVR-S720W can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet access via WIFI is possible on both units. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Yamaha RX-V677 works with Pandora, Napster, JUKE, but the Denon AVR-S720W works with Pandora, SiriusXM.
Support for the HDR function can only boast of the AVR-S720W. The quality of 4K/60Hz signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. Signaling over HDMI in standby mode can provide the RX-V677 and the AVR-S720W. Video scaling is only possible with the RX-V677. Review participants do not have the Dolby Vision feature.
The number of HDMI inputs/outputs is the same - 6/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the RX-V677 and the AVR-S720W. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. RX-V677 and AVR-S720W support the standard HDCP 2.2. Unlike most receivers, our models do not have a built-in phono stage for connecting a vinyl player.
Ability to create 2 Multi zones inherent in both AV receivers. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in either AV receiver. The Yamaha RX-V677 and the Denon AVR-S720W can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the AVR-S720W. Only in the AVR-S720W realized a DTS:X surround technology.